EditorialJohn Smallwood, a biology professor at Montclair State University, holds a tagged kestrel in Harmony Township, N.J., May 19, 2023. (Bryan Anselm/The New York Times)
EditorialJohn Smallwood, a biology professor at Montclair State University, holds a tagged kestrel in Harmony Township, N.J., May 19, 2023. (Bryan Anselm/The New York Times)
EditorialTinnunculus sparverius, Print, The American kestrel (Falco sparverius) is the smallest and most common falcon in North America. It has a roughly two-to-one range in size over subspecies and sex, varying in size from about the weight of a blue jay to a ...
EditorialTinnunculus sparverius, Print, The American kestrel (Falco sparverius) is the smallest and most common falcon in North America. It has a roughly two-to-one range in size over subspecies and sex, varying in size from about the weight of a blue jay to a ...
EditorialFalco tinnunculus (Common kestrel). Draughtsman: Robert Jacob Gordon. Dating: 14-Nov-1778. Measurements: h 660 mm ? w 480 mm; h 213 mm ? w 356 mm; h 195 mm ? w 356 mm.